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OTHER CURRENT FINANCIAL ASSETS - Schedule of interest rates on maturities of time deposits (Details)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Minimum | Rupiah    
OTHER CURRENT FINANCIAL ASSETS    
Interest rate of time deposits with maturities greater than three months 2.50% 3.25%
Minimum | Foreign currency    
OTHER CURRENT FINANCIAL ASSETS    
Interest rate of time deposits with maturities greater than three months 0.06% 0.15%
Maximum | Rupiah    
OTHER CURRENT FINANCIAL ASSETS    
Interest rate of time deposits with maturities greater than three months 3.75% 6.50%
Maximum | Foreign currency    
OTHER CURRENT FINANCIAL ASSETS    
Interest rate of time deposits with maturities greater than three months 0.50% 1.08%